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IPv6 can be an issue for certain applications running on Windows 2008.  A quick way to completely disable IPv6 on any flavor of 2008 including Server Core is to run the command below at an elevated privileged cmd prompt then reboot your server.

c:\>reg add hklm\system\currentcontrolset\services\tcpip6\parameters /v DisabledComponents /t REG_DWORD /d 255
Posted on Friday, February 5, 2010 11:00 PM Windows 2008 Server | Back to top


Comments on this post: Quick way to disable IPv6 in Windows 2008 Server

# re: Quick way to disable IPv6 in Windows 2008 Server
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Just tested this, works like a treat - thanks for the info :)
Left by brad on Nov 14, 2010 10:03 PM

# re: Quick way to disable IPv6 in Windows 2008 Server
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Thanks for this post it has really been very useful!!!
Left by Bill Piersall on Dec 20, 2010 12:29 PM

# re: Quick way to disable IPv6 in Windows 2008 Server
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Worked, thank you for posting this.
Left by Adam on Nov 23, 2011 12:32 PM

# re: Quick way to disable IPv6 in Windows 2008 Server
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c:\>reg add hklm\system\currentcontrolset\services\tcpip6\parameters /v DisabledComponents /t REG_DWORD /d 4294967295

because this is the value equivalent to 0xffffffff
Left by Imran on Nov 27, 2011 2:01 AM

# re: Quick way to disable IPv6 in Windows 2008 Server
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thanks great post
Left by ronak on Apr 13, 2012 1:37 AM

# re: Quick way to disable IPv6 in Windows 2008 Server
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According to TechNet, "Bits beyond Bit 5 are not used" so 0xFF should be as good as 0xFFFFFFFF.

http://technet.microsoft.com/en-us/library/bb878057.aspx
Left by GDawg on Nov 20, 2012 11:42 AM

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